#include<iostream>
#include<conio.h>
#include<stdio.h>
using namespace std;
class CRectangle{
	int *width;
	int *height;
public:
	CRectangle(int,int);
	~CRectangle();
	int area();
};
CRectangle::CRectangle(int a,int b){
	width=new int;
	height=new int;
	*width=a;
	*height=b;
}
CRectangle::~CRectangle(){
	delete width;
	delete height;
}
int CRectangle::area(){
	return((*width)*(*height));
}
int main(){
	CRectangle recta(3,4);
	cout<<"area a:"<<recta.area();
	getch();
}
